Distinguish between exocrine and endocrine glands
What will be an ideal response?
Exocrine glands secrete through ducts to the outside of the body (or into a cavity that opens to the outside). Examples are sweat glands and glands that secrete digestive juices. Endocrine glands lack ducts and release their secretory products, known as hormones, internally into the blood. For example, the pancreas secretes insulin into the blood, which transports this hormone to its sites of action throughout the body.
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Digestion of proteins is initiated by the enzyme
A. CCK. B. aminopeptidase. C. hydrochloric acid. D. amylase. E. pepsin.
Spermiogenesis begins with a ________ and ends with a ________
A) spermatid, sperm B) spermatogonium, spermatid C) sperm, spermatid D) primary spermatocyte, secondary spermatocyte
Hypersecretion of which of the following hormones is most likely to lead to high blood pressure and hypernatremia (excess blood sodium ion concentration)?
What will be an ideal response?
Which type of neuroglia forms the myelin sheath around nerves outside the brain and spinal cord?
A. Astrocytes B. Ependymal cells C. Schwann cells D. Oligodendrocytes